Straight-knitting machine



(No Model.) 3 Sheets-Sheet 1.

H. BIE GER.

STRAIGHT KNITTING MACHINE.

No. 414,006. Patented Oct. 29, 1889.

WITNESSES:

Ens. Plwhrumognpher, wmhlngmn. D. (L

3 Sheets-8heet 2'.

(No Model.)

H. BIEGER.

STRAIGHT KNITTING MACHINE.

ented Oct. 29, 1889.

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N. PETERS. muwgnww. Washington. By C.

(No Model.) 3 Sheets-Sheet 8. H. BIEGER.

STRAIGHT KNITTING MACHINE.

atented Oct. 29,1889.

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WITNESSES:

5|. PETERS. Pholo'uihogmplmr. Wallinglcn, n. c.

UNITED STATES PATENT OFFICE.

HERMANN BIEGER, OF PHILADELPHIA, PENNSYLVANIA.

STRAIGHT-KNITTING MACHINE.

SPECIFICATION forming part of Letters Patent No. 414,006, dated October29, 1889.

Application filed October 17, 1888. Serial No. 288,404. (No model.)

To aZZ whom it may concern:

Be it known that I, HERMANN BIEGER, a subject of the Emperor of Germany,residing in the city and county of Philadelphia, State of Pennsylvania,have invented a new and useful Improvement in Straight-KnittingMachines, which improvement is fully set forth in the followingspecification and accompanying drawings.

My invention relates to improvements in knitting-machines, and hasespecial reference to improvements in knitting-machines in which theJacquard cards are used for controlling the action of the needles.

The object of the invention is to provide a simple, inexpensive, andefficient mechanism which will in conjunction with the operatingmechanism of the Jacquard cards produce fancy designs or patterns.

To attain the desired object the invention consists in the mechanismillustrated, described, and specifically claimed.

Figure 1 represents a vertical sectional view of a knitting-machineconstructed in accordance with and embodying my invention. Fig. 2represents an end elevation thereof, illustrating the driving mechanismand mechanism for operating the cardrollers. Fig. 3 represents a topplan view of one end of the machine. Fig. +1 represents a top plan viewof a portion of the needle-bed, cams, and parts of the machine operatingtherewith. Fig. 5 represents a plan view of one of the cards which formthe Jacquard pattern-chain.

Similar numerals of reference indicate cor responding parts in theseveral figures.

Referring to the drawings, the numeral 1 designates the framework of themachine; 2, the driving-shaft mounted therein; 3, the 0perating-cranl;on said shaft 3 4:, the sliding carriage connected with theoperating-crank; 5, the upper cams, and 6 designates the lower camcarried b 7 the carriage or cam-box.

7 designates the needles, and S the needlebed in which said needles arelocated.

The parts mentioned are of well-known construction and operate inconjunction with my improvements.

In the needle passages or grooves of the needle-bed, and in line withthe needles, are arranged bits 9,provided at their upper ends withupright feet 10, adjacent to and opposite the similar shaped feet of thelower ends of the needles. The feet on the needles and feet 10 are bothadapted to be operated upon by the cams, as will presently appear.Beneath and resting against the bits 9 are bits 11, provided at theirupper ends with downturned feet 12,which are arranged in slots,passages, or openings 13 in the needle-bed. Secured to each section ofthe carriage at is a fiat spring 14, having on its ends the plates orblocks 15, adapted to bear on the shanks of the bits 9, and therefore onthe bits 11, so as to reliably depress the same. The slides 16,which aresecured to the carriage adjacent to the springs 14 and cam 6, areadapted to move or slide on the rails 17, supported on the needle-bed,and bear against the plates 18,11aving elongated slots 19 therein,through which pass the screws 17 on the rails 17. It will be seenthat the bars or plates 18 are capable of an up-and-down movement bymeans of the slots and are inclined at their ends 20, as shown.Fulcrumed on the bar or rod 23, below the lower end of the needle-bed 8,are the levers 22,0ne limb of each of which is curved so as to have itsouter or upper end 21 bearing against the lower edge of the bar 18, theother limb of the lever being connected to the card-roller 2%. Therollers are of a peculiar shape to allow the cards to revolve thereon--that is, are of octagonal shape-and are pro vided with cavities orrecesses 25, to receive the downturned feet 12 of the springs 11.

26 designates the belt or chain formed of the cards 27 passing over therollers 24 and over guide-rollers 28, and the cards are provided withopenings or apertures 29, which are adapted to register with therecesses of the rollers, and which allow the passage of the feet 12 onthe spring 11. The openings or apertures are arranged on the cards inthe desired manner, in order to produce the proper pattern or design.

30 designates ratchet-wheels carried by the shafts of the'rollers 24,and the said ratchetwheels are adapted to move up and down with therollers 24, the shafts moving'in the guides or ways 31, secured to theframe. The dogs or pawls 32, which engage the ratchet wheels 80, arepivoted to levers 32, mounted on the frame 1 of the machine and havingtheir lower ends kept in engagement by springs 32 with the cams 33,mounted on the driving-shaft 2, as is clearly shown in Fig. 2. From thisconstruction it is evident that when the rollers move down from theneedle-bed the cams operate the spring-dogs and rotate theratchet-wheels one tooth on the rollers the distance of one card toproduce a new card.

From the foregoing descriptiom'taken in connection with the drawings,the operation will be readily understood, and, briefly stated, is asfollows: It will be seen that when the carriage 4 is moved so that theslides 16 thereon are brought in contact with and bear against theplates or bars 18 theouter ends of the levers 21, which are in contactwith said bars, are pressed downward, thereby elevating the ends of thelevers carrying the rollers 24, and thus bringing a card on said rollersin contact with the needle-bed 8 at the slot 13 thereof. As the carriageis moved across the face of the needle-bed the openings in the card ofthe pattern-chain permit the foot 12 of the bit 11 to drop into therecess of the roller, thus lowering the bit 9, which bit is reliablypressed down by the spring 14 and plate 15, so that the foot 10 is belowthe cam (5. In this case the needle only is moved by the cam. If thereis no opening in the card under the foot 12, the bits 9 and 11 are notdepressed and the foot 10 is engaged by the cam 6, so that it operatesor raises the needle to the position marked a, Fig. 4, where the oldloop on the needle is allowed to go over the latch and the needle takesa new thread, forming a stitch in its next downward movement. \Vhen thefoot 12 drops into an opening in the card and recess in the roller, theneedle is raised to the positionshown as Z), Fig. 4, where the hook ofthe needle engages in the thread and the old loop remaining on thelatch, forming what is known as a tuck-stitch. The difference in theheights to which the needles are raised in the two positions is thethickness of the foot 10 of the bit 9. It will be noticed that beforethe cam 6 comes in contact with the foot of the bit 9 the block 15,which is in front of the cam, will depress the said bit if there is anopening in the pattern-chain for the foot of its coinciding bit 11. Ifthre is noopening, then the carriage with the cam will be raised so thatthe cam will pass over the foot of the said bit 9, as shown at the righthand, Fig. 1, and not raise the said bit 9, the needle only beingraised. corners on the upper edges of the bars 18 and on the lowercorners of the slides 16 permit the contact and movement of said partsone on the other without liability of blocking, and also prevent anyabruptness of action as well as lessen the tendency of breaking of theparts. As the slide 16 passes or moves off the bar 18 the latter israised by the pressure of the levers 22, due to the weight of therollers 24, the said rollers at the same time being lowered, so thatthey may be rotated by means of the pawls 32 and ratchet- The inclinedor beveled,

The many advantages of my machine will be readily understood by allskilled inthe art, and hence need no further comment herein.

Having thus described my invention, what I claim as new, and desire tosecure byLetters Patent, is-

1. In a knitting-machine, the combination of a cam-carriage, a slidesecured to said carriage, a bar operated upon by the slide, levershaving their outer ends supporting said bar, and a roller carried bysaid levers, substantially as described.

2. In a knitting-machine, the combination of the needle-bed, thecarriage carrying the cams, the bits having the feet adapted to beoperated upon by said cams, the needles adapted to be in contact withsaid hits, the slide carried by the carriage, the bars or plates havingthe elongated slots, the levers abutting against said bars or plates,the rollers carried by said levers, and the bits having the feet adaptedto engage the openings in the cards, all arranged and operating in themanner and for the purpose described.

3. A needle-bed with needle-grooves having slots therein, needles havingfeet, bits with feet projecting into said slots, bits resting on saidfirst-named bits and having feet at their upper ends, said last-namedbits adapted to move in the needle-grooves, a carriage provided with acam adapted to engage said needles and said last-named bits, and meansto raise the feet of the first-named bits, said parts being combinedsubstantially as and for the purpose set forth.

4. A needle bed with needle-grooves having slots therein, needles insaid grooves, lower bits with downwardly-projecting feet in said slots,upper bits with upward1y-projecting feet in said needle-grooves, aspringplate having blocks thereon adapted to depress said bits, acarriage provided with a cam for engaging said needles and upper bits,and means to raise the feet of the firstnamed bits, said parts beingcombined substantially as and for the purpose set forth.

5. A needle-bed with needle-grooves having slots therein, needles havingupwardly-projecting feet, bits having feet in said slots, bit-s on saidfirst-named bits and having feet at their upper ends, a carriageprovided with a cam adapted to engage said needles and last-named bits,and a roller adapted to carry a Jacquard pattern-chain, and means forraising, lowering, and rotating, said parts being combined substantiallyas described.

6. A needle-bed with needle-grooves having slots therein, needles insaid. grooves, bits having feet projecting in said slots, bitshavingupwardly-turned feet, a carriage provided with a cam adapted to raisesaid needles, bits having upwardly-turned feet, a slide secured to saidcarriage, a rail for said slides, a bar secured loosely to theneedle-bed, and a shaft carrying rocking levers having their upper endsbearing against said bar and the other ends carrying a roller which isadapted to carry a Jacquard pattern-chain, said parts being combinedsubstantially as and for the purpose set forth.

7. A knitting-machine having a grooved needle-bed with the slots 13therein, needles in said grooves, the bits 11, with feet 12 projectingin said slots, the bits 9, resting on said bits 11 and provided withfeet 10,the carriage 4:, with cam 6, spring 14, and blocks 15, connectedtherewith, the slide 16, the longitudinal bar 18, having slots extendingtransversely thereof and secured to the carriage-bed, the shaft 23, withlevers 22 thereon, the upper end 21 of said levers bearing against saidbar

